Portugal and Spain as viewed from International Space Station.
Posted 1 month ago
Mars Rover Opportunity Has Confirmed (Past) Liquid Water On Red Planet!
As NASA scientists put it, this is a “slam dunk” piece of proof that water once flowed on or under the planet’s surface. And this is more than ice, it’s evidence of flowing water, and lots of it. How do they know that?
Gypsum (the white stuff in the vein up there) is a non-metal mineral made up of calcium sulfate. But on Earth it is known to be made up of not only the calcium and the sulfate, but also water (it’s “hydrous”). Moreover, it occurs naturally from the evaporation of massive, mineral-rich lakes or seas. And that means that water must have stood, flowed, pooled, and evaporated at some point on Mars.
Not bad for a rover that was only supposed to last 90 Martian days!
(images above from NASA/JPL, lulz by me)
(Source: jtotheizzoe)
Posted 2 months ago
Posted 2 months ago
UMM’s @ 24 horas TT (Vila de Fronteira) 2011.
Photos from http://motoresmagazine.net
Posted 2 months ago
Posted 2 months ago
How bikes and cars can peacefully coexist on the road
The recent death of a cyclist in Toronto has reignited the hotly debated issue of how cars and bikes can coexist on busy streets. Jenna Morrison, an expectant mother and yoga teacher, was killed last Monday while riding to her son’s school. When it comes to sharing the road, “we all have a role to play,” says Yvonne Bambrick, an urban cycling consultant. This round-up of simple tips can help make the roads safer for drivers and cyclists.
Posted 4 months ago
Perseid Below - Denizens of planet Earth watched this year’s Perseid meteor shower by looking up into the moonlit night sky. But this remarkable view captured by astronaut Ron Garan looks down on a Perseid meteor. From Garan’s perspective onboard the International Space Station.
um TumbleLog aka blog sobre tudo e sobre nada.
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